Table 1.

Selected concentrations (ppm) of plant essential oils and fungicides based on pre-test on Phytophthora spp.

Phytophthora spp.	C. citratus	O. basilicum	Mancozeb	Metalaxyl-Mancozeb
P. capsici	15, 30, 45, 60, 75, 90	50, 120, 190, 260, 330, 400	7.5, 20.5, 33.5, 46.5, 59.5, 72.5	5, 14, 23, 32, 41, 50
P. drechsleri	25, 39, 53, 67, 81, 95	50, 120, 190, 260, 330, 400	7.5, 20.5, 33.5, 46.5, 59.5, 72.5	5, 14, 23, 32, 41, 50
P. melonis	15, 29.5, 44, 58, 5, 73, 87.5	50, 120, 190, 260, 330, 400	7.5, 20.5, 33.5, 46.5, 59.5, 72.5	5, 14, 23, 32, 41, 50